3209 	struct net_device *lowerdev = __dev_get_by_index(vxlan->net,  in vxlan_change_mtu()  local
3215 	if (lowerdev) {  in vxlan_change_mtu()
3216 		int max_mtu = lowerdev->mtu - vxlan_headroom(vxlan->cfg.flags);  in vxlan_change_mtu()
3524 	struct net_device *lowerdev = __dev_get_by_index(vxlan->net,  in vxlan_get_link_ksettings()  local
3527 	if (!lowerdev) {  in vxlan_get_link_ksettings()
3535 	return __ethtool_get_link_ksettings(lowerdev, cmd);  in vxlan_get_link_ksettings()
3824 		struct net_device *lowerdev;  in vxlan_config_validate()  local
3826 		lowerdev = __dev_get_by_index(src_net, conf->remote_ifindex);  in vxlan_config_validate()
3827 		if (!lowerdev) {  in vxlan_config_validate()
3835 			struct inet6_dev *idev = __in6_dev_get(lowerdev);  in vxlan_config_validate()
3845 		*lower = lowerdev;  in vxlan_config_validate()
3886 			       struct net_device *lowerdev,  in vxlan_config_apply()  argument
3912 	if (lowerdev) {  in vxlan_config_apply()
3915 		netif_inherit_tso_max(dev, lowerdev);  in vxlan_config_apply()
3917 		needed_headroom = lowerdev->hard_header_len;  in vxlan_config_apply()
3918 		needed_headroom += lowerdev->needed_headroom;  in vxlan_config_apply()
3920 		dev->needed_tailroom = lowerdev->needed_tailroom;  in vxlan_config_apply()
3922 		max_mtu = lowerdev->mtu - vxlan_headroom(flags);  in vxlan_config_apply()
3946 	struct net_device *lowerdev;  in vxlan_dev_configure()  local
3949 	ret = vxlan_config_validate(src_net, conf, &lowerdev, vxlan, extack);  in vxlan_dev_configure()
3953 	vxlan_config_apply(dev, conf, lowerdev, src_net, false);  in vxlan_dev_configure()
4417 	struct net_device *lowerdev;  in vxlan_changelink()  local
4427 	err = vxlan_config_validate(vxlan->net, &conf, &lowerdev,  in vxlan_changelink()
4432 	if (dst->remote_dev == lowerdev)  in vxlan_changelink()
4433 		lowerdev = NULL;  in vxlan_changelink()
4435 	err = netdev_adjacent_change_prepare(dst->remote_dev, lowerdev, dev,  in vxlan_changelink()
4460 							     lowerdev, dev);  in vxlan_changelink()
4482 							     lowerdev, dev);  in vxlan_changelink()
4494 	netdev_adjacent_change_commit(dst->remote_dev, lowerdev, dev);  in vxlan_changelink()
4495 	if (lowerdev && lowerdev != dst->remote_dev)  in vxlan_changelink()
4496 		dst->remote_dev = lowerdev;  in vxlan_changelink()
4497 	vxlan_config_apply(dev, &conf, lowerdev, vxlan->net, true);  in vxlan_changelink()